Erik Pedersen Managing EditorBilly Goldenberg, a two-time Emmy-winning composer and 21-time nominee who was musical director for Elvis Presley’s 1968 “Comeback Special” and worked on scores of shows ranging from Night Gallery and The Young and the Restless to Columbo, Kojak, Rhoda and Steven Spielberg’s Duel, has died. He was 84.The news was confirmed on social media by Goldenberg’s friends Leonard Slatkin and Gary Gerani, but no cause of death was given.